diff options
8 files changed, 22 insertions, 17 deletions
diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp index 2a8ec734a05..fb5b08df5d3 100644 --- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp +++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp @@ -37,7 +37,7 @@ using namespace llvm; #define DEBUG_TYPE "armtti" static cl::opt<bool> DisableLowOverheadLoops( - "disable-arm-loloops", cl::Hidden, cl::init(true), + "disable-arm-loloops", cl::Hidden, cl::init(false), cl::desc("Disable the generation of low-overhead loops")); bool ARMTTIImpl::areInlineCompatible(const Function *Caller, diff --git a/llvm/test/Transforms/HardwareLoops/ARM/calls-codegen.ll b/llvm/test/Transforms/HardwareLoops/ARM/calls-codegen.ll index 85160ced319..2771235d576 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/calls-codegen.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/calls-codegen.ll @@ -1,4 +1,7 @@ -; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp -disable-arm-loloops=false %s -o - | FileCheck %s +; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp -disable-arm-loloops=true %s -o - | FileCheck %s --check-prefix=DISABLED +; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp %s -o - | FileCheck %s + +; DISABLED-NOT: dls lr, ; CHECK-LABEL: test_target_specific: ; CHECK: mov.w lr, #50 diff --git a/llvm/test/Transforms/HardwareLoops/ARM/calls.ll b/llvm/test/Transforms/HardwareLoops/ARM/calls.ll index d2cce5c3814..43c6d06a108 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/calls.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/calls.ll @@ -1,8 +1,11 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MAIN -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fullfp16 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8,+fullfp16 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP64 -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVE -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve.fp -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVEFP +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MAIN +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fullfp16 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8,+fullfp16 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP64 +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVE +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve.fp -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVEFP +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=true %s -S -o - | FileCheck %s --check-prefix=DISABLED + +; DISABLED-NOT: call i32 @llvm.loop.decrement ; CHECK-LABEL: skip_call ; CHECK-NOT: call void @llvm.set.loop.iterations diff --git a/llvm/test/Transforms/HardwareLoops/ARM/counter.ll b/llvm/test/Transforms/HardwareLoops/ARM/counter.ll index bdd83d1234b..edb63546428 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/counter.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/counter.ll @@ -1,4 +1,4 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -o - | FileCheck %s +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -o - | FileCheck %s @g = common local_unnamed_addr global i32* null, align 4 diff --git a/llvm/test/Transforms/HardwareLoops/ARM/do-rem.ll b/llvm/test/Transforms/HardwareLoops/ARM/do-rem.ll index 144600fe5bf..c3e0d88d8df 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/do-rem.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/do-rem.ll @@ -1,4 +1,4 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s @g = common local_unnamed_addr global i32* null, align 4 diff --git a/llvm/test/Transforms/HardwareLoops/ARM/fp-emulation.ll b/llvm/test/Transforms/HardwareLoops/ARM/fp-emulation.ll index ddb4c6a4cea..4bf76b6cdc8 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/fp-emulation.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/fp-emulation.ll @@ -1,5 +1,5 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+soft-float -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+soft-float -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT ; CHECK-LABEL: test_fptosi ; CHECK-SOFT-NOT: call void @llvm.set.loop.iterations diff --git a/llvm/test/Transforms/HardwareLoops/ARM/simple-do.ll b/llvm/test/Transforms/HardwareLoops/ARM/simple-do.ll index da169eebfd1..8d5cdc1a3fe 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/simple-do.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/simple-do.ll @@ -1,7 +1,6 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s ; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=true %s -S -o - | FileCheck %s --check-prefix=DISABLED -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=-lob -hardware-loops %s -S -o - | FileCheck %s --check-prefix=DISABLED -; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -disable-arm-loloops=false %s -o - | FileCheck %s --check-prefix=CHECK-LLC +; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-LLC ; DISABLED-NOT: llvm.{{.*}}.loop.iterations ; DISABLED-NOT: llvm.loop.decrement diff --git a/llvm/test/Transforms/HardwareLoops/ARM/structure.ll b/llvm/test/Transforms/HardwareLoops/ARM/structure.ll index 198cbef4681..d413e2b3006 100644 --- a/llvm/test/Transforms/HardwareLoops/ARM/structure.ll +++ b/llvm/test/Transforms/HardwareLoops/ARM/structure.ll @@ -1,6 +1,6 @@ -; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s -; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -disable-arm-loloops=false %s -o - | FileCheck %s --check-prefix=CHECK-LLC -; RUN: opt -mtriple=thumbv8.1m.main -loop-unroll -unroll-remainder=false -S < %s | llc -mtriple=thumbv8.1m.main -disable-arm-loloops=false | FileCheck %s --check-prefix=CHECK-UNROLL +; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s +; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-LLC +; RUN: opt -mtriple=thumbv8.1m.main -loop-unroll -unroll-remainder=false -S < %s | llc -mtriple=thumbv8.1m.main | FileCheck %s --check-prefix=CHECK-UNROLL ; CHECK-LABEL: early_exit ; CHECK-NOT: llvm.set.loop.iterations |
